From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:37476 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751956Ab3F2Nsw (ORCPT ); Sat, 29 Jun 2013 09:48:52 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1UsvWE-0008AC-Bm for linux-btrfs@vger.kernel.org; Sat, 29 Jun 2013 15:48:50 +0200 Received: from cpc21-stap10-2-0-cust974.12-2.cable.virginmedia.com ([86.0.163.207]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 29 Jun 2013 15:48:50 +0200 Received: from m_btrfs by cpc21-stap10-2-0-cust974.12-2.cable.virginmedia.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 29 Jun 2013 15:48:50 +0200 To: linux-btrfs@vger.kernel.org From: Martin Subject: btrfsck output: What does it all mean? Date: Sat, 29 Jun 2013 14:48:40 +0100 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-btrfs-owner@vger.kernel.org List-ID: This is the btrfsck output for a real-world rsync backup onto a btrfs raid1 mirror across 4 drives (yes, I know at the moment for btrfs raid1 there's only ever two copies of the data...) checking extents checking fs roots root 5 inode 18446744073709551604 errors 2000 root 5 inode 18446744073709551605 errors 1 root 256 inode 18446744073709551604 errors 2000 root 256 inode 18446744073709551605 errors 1 found 3183604633600 bytes used err is 1 total csum bytes: 3080472924 total tree bytes: 28427821056 total fs tree bytes: 23409475584 btree space waste bytes: 4698218231 file data blocks allocated: 3155176812544 referenced 3155176812544 Btrfs Btrfs v0.19 Command exited with non-zero status 1 So: What does that little lot mean? The drives were mounted and active during an unexpected power-plug pull :-( Safe to mount again or are there other checks/fixes needed? Thanks, Martin